CN102142623B - 35kV shielding type separable connector and expansion method thereof - Google Patents
35kV shielding type separable connector and expansion method thereof Download PDFInfo
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- CN102142623B CN102142623B CN2010106183402A CN201010618340A CN102142623B CN 102142623 B CN102142623 B CN 102142623B CN 2010106183402 A CN2010106183402 A CN 2010106183402A CN 201010618340 A CN201010618340 A CN 201010618340A CN 102142623 B CN102142623 B CN 102142623B
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Abstract
The invention relates to a 35kV shielding type separable connector, comprising at least two same T-shaped separable connectors and at least one middle connector, wherein horizontal parts of the T-shaped separable connectors are provided with first cavity bodies and second cavity bodies which are mutually communicated, and vertical parts of the T-shaped separable connectors are provided with third cavity bodies along the vertical direction; the T-shaped separable connectors are in bilateral symmetry relative to the longitudinal axes of the third cavity bodies; conducting units are prefabricated in the T-shaped separable connectors, are arranged among the first cavity bodies and the second cavity bodies and are communicated with the third cavity bodies; the middle connector comprises insulating jackets and a hollow conducting rod sheathed in the insulating jackets; the insulating jackets are in bilateral symmetry, and the left half part and the right half part are respectively adaptive to the first cavity bodies and the second cavity bodies; and the two ends of the conducting rod are respectively and fixedly connected with a connecting piece. In the 35kV shielding type separable connector, the electric performance effect is good, the multi-stage expansion can be realized, and the expansion method is used for connecting the plurality of T-shaped separable connectors in series.
Description
Technical field
The present invention relates to a kind of electric cable fitting, particularly the outer bevel-type separable connector of a kind of 35kV and extended method thereof.
Background technology
Connector is applicable to the line terminal of loop-network switch cabinet, with the insulating base of switch, is connected, and also is applicable to various cable branch box and box type transformation station arrangement.Along with transformation and the expansion of urban distribution network, separable connector is had higher requirement.The extended method of the shielding separable connector of existing 30kV and following electric pressure mainly contains two kinds: a kind of is directly to use the separable connector of rear loading type to be connected on the front inserting separable connector, with this realize can minute downlink connection device expansion, but this structure causes separable connector very strict to installation method and installation environment requirement while being used for the 35kV system, otherwise very easily, because the installation of rear plug is inserted the generation of interfaces distortion and had air gap before and after causing, cause overall performance unstable; Another kind is to adopt epoxy bilateral sleeve pipe as intermediate connector, and the deficiency of this epoxy bushing structure is that through-current capability is limited, dielectric strength is good, strict to installation process not, and different from the separable connector material and make interface performance unstable.The shielding separable connector of above-mentioned employing epoxy bushing, due to the limitation of structural design, can only realize the two-stage expansion, can not realize three grades and above multi-tier, and this has just greatly limited to the scope of application of separable connector.In order to realize the multi-tier of 35kV shielding separable connector, there is research institution once to imagine and attempt realizing multi-tier with a kind of hard, connector that can not break, but cause through-current capability not reach requirement because the structure of connector can not form good electrically contacting with forward and backward connector.Therefore, in the prior art, the multi-tier of 35kV shielding separable connector remains a technological gap.
Summary of the invention
The object of the present invention is to provide a kind of rational in infrastructure, safe and reliable, 35kV shielding separable connector and the extended method thereof that can realize multi-tier.
For reaching above-mentioned purpose, the present invention adopts following technical scheme: a kind of 35kV shielding separable connector, it is characterized in that, comprise at least two identical "T"-shaped separable connectors and at least one intermediate connector, described any intermediate connector connects any two "T"-shaped separable connectors;
The first cavity that the horizontal component along continuous straight runs of described any "T"-shaped separable connector is provided with and is interconnected, shape is identical and the second cavity, described the first cavity and the second cavity connect the horizontal component of "T"-shaped separable connector, vertical portion vertically is provided with the 3rd cavity, and described "T"-shaped separable connector is with respect to the longitudinal axis left-right symmetric of the 3rd cavity; In described any "T"-shaped separable connector, be prefabricated with conductive unit, described conductive unit is arranged between the first cavity and the second cavity, and is communicated with the 3rd cavity;
Described any intermediate connector comprises insulating coating and is sheathed on the hollow conducting rod in insulating coating; Described insulating coating left-right symmetric, left-half and right-hand component are suitable with described the first cavity and the second cavity respectively; The two ends of described conducting rod are fixedly connected with respectively connector.
"T"-shaped separable connector is the left-right symmetric structure, and does not need to be divided into front slotting or rear inserting, and is very convenient while using assembling, for multi-tier, provides possibility simultaneously; The conducting rod of intermediate connector and insulating coating can break, and during assembling, can guarantee the excellent electric contact of conducting rod.
More particularly, described the first cavity, the second cavity are tubaeform, and the end that described horn opening is less connects described conductive unit; Described insulating coating is the little cone in two broad in the middle.Flaring opening setting, insulating coating inserts than being easier to.
As preferably, the larger end of described the first cavity horn opening is in the side of "T"-shaped separable connector horizontal component, and enlarged-diameter forms longitudinal cross-section and is "] " opening of shape; The larger end of described the second cavity horn opening is in the side of "T"-shaped separable connector horizontal component, and enlarged-diameter forms longitudinal cross-section and is " the opening of [" shape; Described insulating coating is that mid portion is provided with a circle protruding circular ring, the little cone in two broad in the middle.Such structure, insulating coating can be tightr when with the first cavity or the second cavity, being connected.
Described "T"-shaped separable connector and insulating coating are "T"-shaped separable connector and the insulating coatings that adopts same material to make.Preferred material is silastic material.Insulating coating adopts the insulating material identical with separable connector, can avoid the material difference to cause the unsettled problem of interface performance.
Described insulating coating inner surface is provided with internal shield, the thickness >=1.5mm of described internal shield; Described internal shield extends to the whole end face of described insulating coating one side.
Described connector refers to stud, and the two ends of described conducting rod are fixedly connected with by screw thread with stud respectively.Such connected mode is convenient and swift, stable connection.
In the second cavity of the described "T"-shaped separable connector that is arranged in least significant end, also insert the insulation plug, the shape of described insulation plug insertion end and described the second cavity are suitable.
In described insulation plug insertion end, be provided with a container cavity, the shape of described container cavity and described connector are suitable.
The extended method of above-mentioned 35kV shielding separable connector, is characterized in that, comprises the steps:
The first step, at the 3rd cavity insertion cable of all "T"-shaped separable connectors, described cable is inserted in conductive unit by conducting terminal;
Second step, be connected to the first cavity of a "T"-shaped separable connector on the switch cubicle sleeve pipe, by connector, a conducting rod is connected on the switch cubicle conductor;
The 3rd step, insert the insulating coating left end from the second cavity of the "T"-shaped separable connector second step, be enclosed within the conducting rod outside;
The 4th step, then the right-hand member of insulating coating of up-to-date connection before the first cavity of a "T"-shaped separable connector is inserted in, be connected another conducting rod by connector with the up-to-date conducting rod that is connected before;
The 5th step, insert the insulating coating left end from the second cavity of the "T"-shaped separable connector of up-to-date connection before, the conducting rod outside of up-to-date connection before being enclosed within;
The 6th step, repeat above-mentioned the 4th step to the 5th step, until reach the progression of required expansion;
The 7th step, in the second cavity of the "T"-shaped separable connector that is arranged in least significant end, insert and the fixed insulation plug.
As above operate, can realize the multi-tier of 35kV shielding separable connector.
The present invention possesses following outstanding advantages and effect with respect to prior art:
1, the present invention, by changing the structure of separable connector and intermediate connector, has realized the multi-tier of 35kV shielding separable connector;
2, the present invention is by being arranged to intermediate connector the detachable structure of conducting rod and insulating coating, not only guaranteed the good of electric conductivity, and the elasticity that the insulating material of silicon rubber has makes assembling tightr, reached the effect that improves the electric property of product.
3, the processing technology of insulating coating of the present invention adopts the pattern of the conical surface without the matched moulds seam, has avoided the impact of matched moulds seam on interface.
4, the internal shield of insulating coating of the present invention adopts Shooting Technique, and thickness >=1.5mm has avoided easily destroyed shortcoming of the inhomogeneous and shielding of spraying coating process spraying.
5, the internal shield of insulating coating of the present invention not only connects the body endoporus of this insulating coating, and extends to the whole end face of one side, guarantees that like this internal shield can have enough contacts area with the line ear of stube cable.
The accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of 35kV shielding separable connector of the present invention for the two-stage expansion;
Fig. 2 is the structural representation of insulating coating in Fig. 1;
Wherein, 1 for the switch cubicle sleeve pipe, 2 for stud, 3 for "T"-shaped separable connector, 4 for conducting rod, 5 for insulating coating, 6 for insulation plug, 7 be the first cavity, 8 be the second cavity, 9 be the 3rd cavity, 10 for conductive unit, 11 for "] " the shape opening, 12 for " [" shape opening, 13 for protruding circular ring, 14 for container cavity, 15 be that the first cable, 16 is the internal shields of the second cable, 17 for arranging in insulating coating.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited to this.
Embodiment mono-
35kV shielding separable connector of the present invention for the exploded view of two-stage expansion as shown in Figure 1, comprises two identical "T"-shaped separable connectors 3 and an intermediate connector, and intermediate connector connects two "T"-shaped separable connectors; The first cavity 7 that the horizontal component along continuous straight runs of "T"-shaped separable connector 3 is provided with and is interconnected, shape is identical and the second cavity 8, the first cavity 7 and the second cavity 8 connect the horizontal component of "T"-shaped separable connector, vertical portion vertically is provided with the 3rd cavity 9, and "T"-shaped separable connector is with respect to the longitudinal axis left-right symmetric of the 3rd cavity 9; In "T"-shaped separable connector, be prefabricated with conductive unit 10, conductive unit 10 is arranged between the first cavity and the second cavity, and is communicated with the 3rd cavity; The first cavity, the second cavity are tubaeform, and the end that horn opening is less connects conductive unit 10; The larger end of the first cavity 7 horn openings is at the left surface of "T"-shaped separable connector horizontal component, and enlarged-diameter forms longitudinal cross-section and is "] " opening 11 of shape; The larger end of the second cavity horn opening is at the right flank of "T"-shaped separable connector horizontal component, and enlarged-diameter forms longitudinal cross-section and is " the opening 12 of [" shape;
Intermediate connector comprises insulating coating 5 and is sheathed on the hollow conducting rod 4 in insulating coating; Insulating coating 5 left-right symmetric, left-half and right-hand component are suitable with the first cavity 7 and the second cavity 8 respectively; Insulating coating 5 is provided with a circle protruding circular ring 13, the little cone in two broad in the middle for mid portion, during installation, projection annulus 13 is stuck in the opening of two connected " [" shape opening and "] " shapes, insulating coating 5 inner surfaces are provided with internal shield 17, internal shield 17 also extends to the whole end face of one side, its thickness >=1.5mm from the inner surface of insulating coating.The two ends of conducting rod 4 are connected with respectively connector, and connector adopts stud, and the two ends of conducting rod are provided with screw thread, with stud, by screw thread, are fixedly connected with respectively."T"-shaped separable connector and insulating coating all adopt silastic material to make.
35kV shielding separable connector of the present invention is achieved in that for the two-stage expansion
The first step, insert first, second cable 15 and 16 at the 3rd cavity of two "T"-shaped separable connectors, and described cable is inserted in conductive unit 10 by conducting terminal;
Second step, the first cavity of first "T"-shaped separable connector 3 is connected on switch cubicle sleeve pipe 1, by stud 2, the hollow conducting rod 4 of article one is connected on the switch cubicle conductor, junction is just in time the position at conductive unit 10 places, to realize electric connection;
The 3rd step, insert first insulating coating left end from the second cavity of first "T"-shaped separable connector, be enclosed within hollow conducting rod 4 outsides; At this moment, half section, the right side of the right half part of first insulating coating and article one conducting rod 4 is reserved in first "T"-shaped separable connector outside;
The 4th step, the first cavity of second "T"-shaped separable connector 3 is inserted in to the right-hand member of first insulating coating, by stud, the hollow conducting rod of second is connected with the hollow conducting rod of article one, junction is just in time the position at conductive unit 10 places, to realize electric connection;
The 5th step, insert second insulating coating left end from the second cavity of second "T"-shaped separable connector, be enclosed within the hollow conducting rod of second outside;
The 6th step, in the second cavity of second "T"-shaped separable connector, insert and fixed insulation plug 6; Shape and described second cavity of insulation plug insertion end are suitable, in insulation plug insertion end, are provided with a container cavity, and the shape of container cavity is suitable with the stud that the conducting rod end is connected;
Embodiment bis-
35kV shielding separable connector of the present invention can also be for multi-tier, and concrete steps are as follows:
The first step, at the 3rd cavity insertion cable of all "T"-shaped separable connectors, described cable is inserted in conductive unit by conducting terminal;
Second step, be connected to the first cavity of a "T"-shaped separable connector on the switch cubicle sleeve pipe, by connector, a conducting rod is connected on the switch cubicle conductor;
The 3rd step, insert the insulating coating left end from the second cavity of the "T"-shaped separable connector second step, be enclosed within the conducting rod outside;
The 4th step, then the right-hand member of insulating coating of up-to-date connection before the first cavity of a "T"-shaped separable connector is inserted in, be connected another conducting rod by connector with the up-to-date conducting rod that is connected before;
The 5th step, insert the insulating coating left end from the second cavity of the "T"-shaped separable connector of up-to-date connection before, the conducting rod outside of up-to-date connection before being enclosed within;
The 6th step, repeat above-mentioned the 4th step to the 5th step, until reach the progression of required expansion;
The 7th step, in the second cavity of the "T"-shaped separable connector that is arranged in least significant end, insert and the fixed insulation plug.
As above operate, can realize the multi-tier of 35kV shielding separable connector.Wherein, the structure of "T"-shaped separable connector, hollow conducting rod, connector, insulating coating, insulation plug etc. is with embodiment mono-.
Above-described embodiment is preferably execution mode of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (4)
1. a 35kV shielding separable connector, is characterized in that, comprises at least two identical "T"-shaped separable connectors and at least one intermediate connector, and described any intermediate connector connects any two "T"-shaped separable connectors;
The first cavity that the horizontal component along continuous straight runs of described any "T"-shaped separable connector is provided with and is interconnected, shape is identical and the second cavity, described the first cavity and the second cavity connect the horizontal component of "T"-shaped separable connector, vertical portion vertically is provided with the 3rd cavity, and described "T"-shaped separable connector is with respect to the longitudinal axis left-right symmetric of the 3rd cavity; In described any "T"-shaped separable connector, be prefabricated with conductive unit, described conductive unit is arranged between the first cavity and the second cavity, and is communicated with the 3rd cavity;
Described any intermediate connector comprises insulating coating and the conducting rod that is sheathed in insulating coating, and in described intermediate connector, conducting rod and insulating coating are detachable; Described insulating coating left-right symmetric, left-half and right half part are suitable with described the first cavity and the second cavity respectively; The two ends of described conducting rod are fixedly connected with respectively connector; The conducting terminal of cable inserts in conductive unit, and the junction of connector and conducting rod is just in time the position at conductive unit place, to realize electric connection;
Described the first cavity, the second cavity are tubaeform, and the end that described horn opening is less connects described conductive unit; Described insulating coating is the little cone in two broad in the middle;
The larger end of described the first cavity horn opening is in the side of "T"-shaped separable connector horizontal component, and enlarged-diameter forms longitudinal cross-section and is "] " opening of shape; The larger end of described the second cavity horn opening is in the side of "T"-shaped separable connector horizontal component, and enlarged-diameter forms longitudinal cross-section and is " the opening of [" shape; Described insulating coating is that mid portion is provided with a circle protruding circular ring, the little cone in two broad in the middle; Described "T"-shaped separable connector and insulating coating are "T"-shaped separable connector and the insulating coatings that adopts same material to make; Described "T"-shaped separable connector and insulating coating refer to "T"-shaped separable connector and the insulating coating that silastic material is made; Described insulating coating inner surface is provided with internal shield, the thickness >=1.5mm of described internal shield; Described internal shield extends to the whole end face of described insulating coating one side;
Described connector refers to stud, and the two ends of described conducting rod are fixedly connected with by screw thread with stud respectively.
2. 35kV shielding separable connector according to claim 1, it is characterized in that, in the second cavity of the described "T"-shaped separable connector that is arranged in least significant end, also insert the insulation plug, the shape of described insulation plug insertion end and described the second cavity are suitable.
3. 35kV shielding separable connector according to claim 2, is characterized in that, in described insulation plug insertion end, is provided with a container cavity, and the shape of described container cavity and described connector are suitable.
4. the method for expanded rights requirement 1 a described 35kV shielding separable connector, is characterized in that, comprises the steps:
The first step, at the 3rd cavity insertion cable of all "T"-shaped separable connectors, described cable is inserted in conductive unit by conducting terminal;
Second step, be connected to the first cavity of a "T"-shaped separable connector on the switch cubicle sleeve pipe, by connector, a conducting rod is connected on the switch cubicle conductor;
The 3rd step, insert the insulating coating left end from the second cavity of the "T"-shaped separable connector second step, be enclosed within the conducting rod outside;
The 4th step, then the right-hand member of insulating coating of up-to-date connection before the first cavity of a "T"-shaped separable connector is inserted in, be connected another conducting rod by connector with the up-to-date conducting rod that is connected before;
The 5th step, insert the insulating coating left end from the second cavity of the "T"-shaped separable connector of up-to-date connection before, the conducting rod outside of up-to-date connection before being enclosed within;
The 6th step, repeat above-mentioned the 4th step to the 5th step, until reach the progression of required expansion;
The 7th step, in the second cavity of the "T"-shaped separable connector that is arranged in least significant end, insert and the fixed insulation plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106183402A CN102142623B (en) | 2010-12-31 | 2010-12-31 | 35kV shielding type separable connector and expansion method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106183402A CN102142623B (en) | 2010-12-31 | 2010-12-31 | 35kV shielding type separable connector and expansion method thereof |
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| CN102142623A CN102142623A (en) | 2011-08-03 |
| CN102142623B true CN102142623B (en) | 2013-11-20 |
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| CN2010106183402A Active CN102142623B (en) | 2010-12-31 | 2010-12-31 | 35kV shielding type separable connector and expansion method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104659627B (en) * | 2015-02-14 | 2017-03-15 | 杨洪柱 | A kind of shielding separable connector and its process units and its technique |
| CN106356801A (en) * | 2016-10-28 | 2017-01-25 | 成都盛帮双核科技有限公司 | Connecting sleeve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2706935Y (en) * | 2004-01-19 | 2005-06-29 | 深圳市惠程电气股份有限公司 | Separable connector for power cable |
| CN2859843Y (en) * | 2005-12-23 | 2007-01-17 | 广东长园电缆附件有限公司 | Power cable detachable combined connector |
| CN201440466U (en) * | 2009-05-31 | 2010-04-21 | 深圳市长园电力技术有限公司 | separable connector |
| CN201466245U (en) * | 2009-08-19 | 2010-05-12 | 保定合力达应用化学有限公司 | Cable plug-pull head featuring convenient operation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201408589Y (en) * | 2009-04-30 | 2010-02-17 | 深圳市惠程电气股份有限公司 | 35-KV polyolepine insulating and shielding metal tube bus |
| CN201994438U (en) * | 2010-12-31 | 2011-09-28 | 广东吉熙安电缆附件有限公司 | 35kV shielded separable connector |
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- 2010-12-31 CN CN2010106183402A patent/CN102142623B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2706935Y (en) * | 2004-01-19 | 2005-06-29 | 深圳市惠程电气股份有限公司 | Separable connector for power cable |
| CN2859843Y (en) * | 2005-12-23 | 2007-01-17 | 广东长园电缆附件有限公司 | Power cable detachable combined connector |
| CN201440466U (en) * | 2009-05-31 | 2010-04-21 | 深圳市长园电力技术有限公司 | separable connector |
| CN201466245U (en) * | 2009-08-19 | 2010-05-12 | 保定合力达应用化学有限公司 | Cable plug-pull head featuring convenient operation |
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